# # TempConvert.py
# TempStr = input("请输入带有符号的温度值")
# if TempStr[-1] in ['F', 'f']:
#     C = (eval(TempStr[0:-1]) - 32) / 1.8
#     print("转换后的温度是{:.2f}C".format(C))
# elif TempStr[-1] in ['C', 'c']:
#     F = 1.8*eval(TempStr[0:-1]) + 32
#     print("转换后的温度是{:.2f}F".format(F))
# else:
#     print("输入格式错误")
temperature = input("请输入温度")
if temperature[-1] in ['F', 'f']:
    C = (eval(temperature[0: -1])-32)/18
    print("{:.2f}C".format(C))
elif temperature[-1] in ['C', 'c']:
    F = eval(temperature[0: -1])*1.8+32
    print("{:.2f}F".format(F))
else:
    print("输入格式错误")
